Mercedes E Class 2012 2.1D - Coolant loss - Big Daz
Car loses coolant when temperature set to High, if temperature os set to say 22 then it doesn't lose coolant, have to fill expansion tank every day otherwise.
Mercedes E Class 2012 2.1D - Coolant loss - elekie&a/c doctor
Can’t see what difference changing the vent temp will make . There’s the same amount of coolant flowing through the system whatever the settings. Get the system pressure tested .
